20765432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{853}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 41504400

約数和(自身を除く): 20738968

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 358, 716, 853, 1432, 1706, 3043, 3412, 6086, 6824, 12172, 14501, 24344, 29002, 58004, 116008, 152687, 305374, 610748, 1221496, 2595679, 5191358, 10382716, 20765432]

約数ペア:

[(1, 20765432), (2, 10382716), (4, 5191358), (8, 2595679), (17, 1221496), (34, 610748), (68, 305374), (136, 152687), (179, 116008), (358, 58004), (716, 29002), (853, 24344), (1432, 14501), (1706, 12172), (3043, 6824), (3412, 6086)]